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Operation Section
joystick control (13) is released, the joystick control will
return to the HOLD position.
Boom Lower - Push joystick control (13)
forward in order to lower the boom. When
joystick control (13) is released, the joystick
control will return to the HOLD position.
Boom Extend - Push joystick control (13) to
the right in order to extend the boom. When
joystick control (13) is released, the joystick
control will return to the HOLD position.
Note: The boom will not extend when the
transmission control is in the REVERSE position. The
function for extending the boom will resume if the
transmission is neutralized by the service brake, the
parking brake, or the transmission neutralizer button.
Boom Retract - Pull joystick control (13) to
the left in order to retract the boom. When
joystick control (13) is released, the joystick
control will return to the HOLD position.
Quick Coupler (Tilt Forward) - Push thumb
wheel (13B) forward in order to tilt the quick
coupler forward. When the thumb wheel is
released, the thumb wheel will return to the HOLD
position.
Quick Coupler (Tilt Backward) - Pull
thumbwheel (13B) rearward in order to tilt the
quick coupler backward. When the thumb
wheel is released, the thumb wheel will return to the
HOLD position.
Auxiliary Controls - Press switch (13E) in
order to toggle between the hydraulic circuits
for the auxiliary 1 and auxiliary 2. Press switch
(13C) in order to operate an actuator for a work tool in
the positive direction. Press switch (13D) in order to
operate an actuator for a work tool in the negative
direction. Switches (13E), (13C) and (13D) are not
operated proportionally.
Illustration 78 g01017263
When auxiliary 2 is selected, indicator light (13G) will be
illuminated.
The speed of the following functions is governed by the
amount of movement of the joystick control and engine
speed:
•Boom raise
•Boom lower
•Boom extend
• Boom retract
For smooth operation, first increase the engine speed
from low idle. Then, move joystick control (13) slowly
until the attachment is moving at the required speed.
The speed of the quick coupler (tilt forward) and quick
coupler (tilt backward) is governed by the amount of
movement of thumb wheel (13B).
Move joystick control (13) diagonally in order to
simultaneously extend the boom or retract the boom
while the boom is being raised or lowered.
Move joystick control (13) diagonally. At the same time
operate thumb wheel (13B) in order to simultaneously
tilt the quick coupler while the boom is being operated
in two directions.
Type B Control Arrangement (Double Thumb
Wheel)
Illustration 79 g01051075
Film for joystick with double thumb wheel
Machines that have the Type B control arrangement are
equipped with decal (13F) that is shown above. The
joystick control operates in the following way: